Is Di-t-Butylhydroquinone (DTBHQ) safe in cosmetics?
Di-t-Butylhydroquinone (DTBHQ) has a safety rating of "POOR" in our database. EU status: permitted. US status: permitted.
POOR
Cosmetic Ingredient
Di-t-Butylhydroquinone (DTBHQ)
INCI: DI-T-BUTYLHYDROQUINONE
Di-t-Butylhydroquinone (DTBHQ) (CAS 1322-72-1 (mixture); 88-58-4 (2,5-isomer)) is a cosmetic cosmetic ingredient functioning as Antioxidant (lipid peroxidation inhibitor). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 1322-72-1 (mixture); 88-58-4 (2,5-isomer) →
Function
Antioxidant (lipid peroxidation inhibitor)
Editorial assessment
POOR
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR Expert Panel concluded insufficient data to support safety in cosmetics
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Di-t-Butylhydroquinone (DTBHQ).
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Di-t-Butylhydroquinone (DTBHQ) — not a computed safety verdict. See the sourced toxicological data above.
Regulatory Flags
potential-allergen
Frequently Asked Questions
Is Di-t-Butylhydroquinone (DTBHQ) allowed in the EU?
Di-t-Butylhydroquinone (DTBHQ) EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Di-t-Butylhydroquinone (DTBHQ) do in cosmetics?
Di-t-Butylhydroquinone (DTBHQ) functions as: Antioxidant (lipid peroxidation inhibitor). It is classified as a cosmetic ingredient in our database. CAS number: 1322-72-1 (mixture); 88-58-4 (2,5-isomer).
Compliance Tools
Check Di-t-Butylhydroquinone (DTBHQ) compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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